The Smiths have gone to New York for their holiday, with an old servant ____ their house.
#91417
A
looking after
B
look after
C
having looked after
D
looked after
推荐题目
All flights _____because of the snowstorm,we decided to take the train instead.
#91303
A
were canceled
B
had been canceled
C
having canceled
D
having been canceled
I send you books today, the rest ________ in a few days. 
#90963
A
follows
B
following
C
will follow
D
to follow
Walter offered us a lift when he was leaving the office, but our work ______, we didn’t accept the offer.
#91053
A
not being finished
B
having not been finished
C
had not been finished
D
not having finished